Explore small molecules, screening libraries, and tool compounds for discovery research. Browse by target, pathway, or ligand family to quickly find inhibitors, agonists, and chemical probes, with searchable structure/CAS data and supporting documents (SDS/COA where available).
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Ligand families
24,639Navigate small molecules by ligand family or scaffold to build focused sets and explore structure–activity relationships. This category groups related chemotypes, helping you select analogs, fragments, and tool molecules for discovery research.
ADC-focused building blocks and tools to support antibody–drug conjugate research. Explore payloads, linkers, conjugation reagents, and related small-molecule components (where available) for designing and evaluating ADC constructs.
PROTAC
2,815PROTAC and targeted protein degradation tools for discovery research. Browse degrader-related ligands, linkers, and building blocks (where available) to assemble or screen PROTAC designs, with clear identifiers for efficient selection.
By Signaling Pathways
102,615Explore pathway-focused tool compounds to study and modulate key signaling cascades. Browse small molecules grouped by signaling pathway to support mechanism studies, phenotypic assays, and target validation, with clear identifiers for fast searching.
By Target (DTO)
19,694Find bioactive small molecules organized by protein target (DTO). Quickly locate tool compounds for specific targets and compare identifiers such as structure, CAS, and synonyms—plus supporting documents —to build screening and validation sets.
By Disease (DOID)
8,779Shop small molecules and tool compounds organized by disease area (DOID). Discover chemical probes, libraries, and related products mapped to therapeutic areas to help assemble compound sets for screening, pathway exploration, and model studies.
Products
- Zonisamide sodium salt● In Stock — US warehouse, ships to EU* Item #: Z352610View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- sodium;1,2-benzoxazol-3-ylmethylsulfonylazanide
- SMILES
- C1=CC=C2C(=C1)C(=NO2)CS(=O)(=O)[NH-].[Na+]
- InChIKey
- ZVBIRPKGWOVBLG-UHFFFAOYSA-N
- InChI
- 1S/C8H7N2O3S.Na/c9-14(11,12)5-7-6-3-1-2-4-8(6)13-10-7;/h1-4H,5H2,(H-,9,11,12);/q-1;+1
- Synonyms
- Lopac-Z-2001 | NCGC00016211-01 | Zonisamide (sodium) | 1,2-Benzisoxazole-3-methanesulfonamide sodium-potassium salt A...
- Zonisamide, Sodium channel alpha subunit blockerMoligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. 10mM in DMSO● In Stock — US warehouse, ships to EU* Item #: Z408620View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- CI-912 | benzo[d]isoxazol-3-ylmethanesulfonamide
- Zosuquidar (LY335979) 3HClCAS: 167465-36-3 EC Number: 808-502-9 PubChem CID: 153997 Formula: C32H31F2N3O2.3HCl Molecular Weight: 63710mM in DMSO● In Stock — US warehouse, ships to EU* Item #: Z408366View ProductPricing & Pack Sizes
Technical Identifiers
- Synonyms
- RS 33295-198 (D06387) 3HCl | 1-Piperazineethanol, 4-[(1aα,6α,10bα)-1,1-difluoro-1,1a,6,10b-tetrahydrodibenzo[a,e]cycl...
- [(3S,4R)-4-Phenyl-1-methylpiperidinyl]methanol◐ .Made to order · 8–12 wks Item #: S305196View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- [(3S,4R)-1-methyl-4-phenylpiperidin-3-yl]methanol
- SMILES
- CN1CCC(C(C1)CO)C2=CC=CC=C2
- InChIKey
- PTRITADCAOWGKC-STQMWFEESA-N
- InChI
- 1S/C13H19NO/c1-14-8-7-13(12(9-14)10-15)11-5-3-2-4-6-11/h2-6,12-13,15H,7-10H2,1H3/t12-,13-/m0/s1
- Synonyms
- 176022-03-0|50373-13-2|3-Piperidinemethanol, 1-methyl-4-phenyl-, trans-|3-Piperidinemethanol, 1-methyl-4-phenyl-, (3S...
- [1,1':4',1'':4'',1'''-Quaterphenyl]-3,3''',5,5'''-tetracarboCAS: 921619-91-2 EC Number: 687-069-6 PubChem CID: 101427665 Formula: C28H18O8 Molecular Weight: 482.4● In Stock — US warehouse, ships to EU* Item #: Q304975View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 5-[4-[4-(3,5-dicarboxyphenyl)phenyl]phenyl]benzene-1,3-dicarboxylic acid
- SMILES
- C1=CC(=CC=C1C2=CC=C(C=C2)C3=CC(=CC(=C3)C(=O)O)C(=O)O)C4=CC(=CC(=C4)C(=O)O)C(=O)O
- InChIKey
- UMTUQDSLNCYCDQ-UHFFFAOYSA-N
- InChI
- show more
- Synonyms
- BS-45919 | [1,1':4',1'':4'',1'''-Quaterphenyl]-3,3''',5,5'''-tetracarboxylic acid | SCHEMBL16488615 | E81318 | 1,1':4...
- [3-(4-chlorophenyl)-1-phenyl-1H-pyrazol-4-yl]acetic acidCAS: 53808-88-1 Formula: C17H13ClN2O2 Molecular Weight: 312.75◐ .Made to order · 8–12 wks Item #: C356329View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 2-[3-(4-chlorophenyl)-1-phenylpyrazol-4-yl]acetic acid
- SMILES
- C1=CC=C(C=C1)N2C=C(C(=N2)C3=CC=C(C=C3)Cl)CC(=O)O
- InChIKey
- XVUQHFRQHBLHQD-UHFFFAOYSA-N
- InChI
- 1S/C17H13ClN2O2/c18-14-8-6-12(7-9-14)17-13(10-16(21)22)11-20(19-17)15-4-2-1-3-5-15/h1-9,11H,10H2,(H,21,22)
- Synonyms
- Argun l | 3-(4-Chlorophenyl)-1-phenyl-1H-pyrazole-4-acetic acid | Lonazolaco | DTXSID4046151 | EN300-14201 | HY-W1733...
- [3-(4-fluorophenyl)isoxazol-5-yl]methanolCAS: 206055-89-2 Formula: C10H8FNO2 Molecular Weight: 193.18◐ .Made to order · 8–12 wks Item #: F356268View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- [3-(4-fluorophenyl)-1,2-oxazol-5-yl]methanol
- SMILES
- C1=CC(=CC=C1C2=NOC(=C2)CO)F
- InChIKey
- AXHZYGAOISWOLE-UHFFFAOYSA-N
- InChI
- 1S/C10H8FNO2/c11-8-3-1-7(2-4-8)10-5-9(6-13)14-12-10/h1-5,13H,6H2
- Synonyms
- STK506073 | SCHEMBL103310 | [3-(4-fluoro-phenyl)-isoxazol-5-yl]-methanol | [3-(4-fluorophenyl)isoxazol-5-yl]methanol ...
- [4-(2-Methyl-thiazol-4-yl)-phenoxy]-acetic acidCAS: 452345-64-1 Formula: C₁₂H₁₁NO₃S Molecular Weight: 249.29Solid ≥97%● In Stock — US warehouse, ships to EU* Item #: M394214View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 2-[4-(2-methyl-1,3-thiazol-4-yl)phenoxy]acetic acid
- SMILES
- CC1=NC(=CS1)C2=CC=C(C=C2)OCC(=O)O
- InChIKey
- WSMWPHJTLBRXHI-UHFFFAOYSA-N
- InChI
- 1S/C12H11NO3S/c1-8-13-11(7-17-8)9-2-4-10(5-3-9)16-6-12(14)15/h2-5,7H,6H2,1H3,(H,14,15)
- Synonyms
- 2-[4-(2-methyl-1,3-thiazol-4-yl)phenoxy]acetic acid | 2-(4-(2-Methylthiazol-4-yl)phenoxy)acetic acid
- [4-(4-fluorophenyl)oxan-4-yl]methanamineCAS: 889939-79-1 Formula: C12H16FNO Molecular Weight: 209.27● In Stock — US warehouse, ships to EU* Item #: C348304View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- [4-(4-fluorophenyl)oxan-4-yl]methanamine
- SMILES
- C1COCCC1(CN)C2=CC=C(C=C2)F
- InChIKey
- RJNKDRCJNIVDII-UHFFFAOYSA-N
- InChI
- 1S/C12H16FNO/c13-11-3-1-10(2-4-11)12(9-14)5-7-15-8-6-12/h1-4H,5-9,14H2
- Synonyms
- C78543 | 4-(4-Fluorophenyl)-tetrahydropyran-4-yl methylamine | F2189-0456 | [4-(4-Fluorophenyl)tetrahydro-2H-pyran-4-...
- [4-(aminomethyl)tetrahydro-2H-pyran-4-yl]methanolCAS: 959238-22-3 Formula: C7H15NO2 Molecular Weight: 145.2● In Stock — US warehouse, ships to EU* Item #: A355953View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- [4-(aminomethyl)oxan-4-yl]methanol
- SMILES
- C1COCCC1(CN)CO
- InChIKey
- HVINWRIEIUOYJJ-UHFFFAOYSA-N
- InChI
- 1S/C7H15NO2/c8-5-7(6-9)1-3-10-4-2-7/h9H,1-6,8H2
- Synonyms
- 4-(Aminomethyl)tetrahydro-2H-pyran-4-methanol | DTXSID70625269 | MFCD09864391 | [4-(aminomethyl)tetrahydro-2H-pyran-4...
- [4-(butyrylamino)phenyl]acetic acidCAS: 89625-67-2 Formula: C12H15NO3 Molecular Weight: 221.26● In Stock — US warehouse, ships to EU* Item #: B356296View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 2-[4-(butanoylamino)phenyl]acetic acid
- SMILES
- CCCC(=O)NC1=CC=C(C=C1)CC(=O)O
- InChIKey
- QGKAUPFJFHCVPR-UHFFFAOYSA-N
- InChI
- 1S/C12H15NO3/c1-2-3-11(14)13-10-6-4-9(5-7-10)8-12(15)16/h4-7H,2-3,8H2,1H3,(H,13,14)(H,15,16)
- Synonyms
- MFCD08593345 | AKOS000104629 | [4-(butanoylamino)phenyl]acetic acid | SCHEMBL10682638 | SB79677 | VS-04209 | BBL01416...
- [4-(5-Chloromethyl-oxazolidin-2-yl)-phenyl]-dimethyl-amineCAS: 17996-49-5 Formula: C12H17ClN2O Molecular Weight: 240.7410mM in DMSO● In Stock — US warehouse, ships to EU* Item #: C422194View ProductPricing & Pack Sizes
Technical Identifiers
- IUPAC Name
- 4-[5-(chloromethyl)-1,3-oxazolidin-2-yl]-N,N-dimethylaniline
- SMILES
- CN(C)C1=CC=C(C=C1)C2NCC(O2)CCl
- InChIKey
- AGJRWWYVQQFNKV-UHFFFAOYSA-N
- InChI
- 1S/C12H17ClN2O/c1-15(2)10-5-3-9(4-6-10)12-14-8-11(7-13)16-12/h3-6,11-12,14H,7-8H2,1-2H3
- Synonyms
- 4-[5-(Chloromethyl)-1,3-oxazolidin-2-yl]-N,N-dimethylaniline | AKOS016041765 | Benzenamine, 4-[5-(chloromethyl)-2-oxa...




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![[1,1':4',1'':4'',1'''-Quaterphenyl]-3,3''',5,5'''-tetracarbo - ≥98% CAS No(921619-91-2) by Aladdin Scientific](https://www.aladdinsci.com/media/catalog/product/cache/6360e336b2a70951114dbd37294096ee/Q/3/Q304975.png)
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